Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/asn1/bio_asn1.c

Index: openssl/crypto/asn1/bio_asn1.c
diff --git a/openssl/crypto/asn1/bio_asn1.c b/openssl/crypto/asn1/bio_asn1.c
deleted file mode 100644
index dc7efd551c05c99e7a9d1925ef23476544e0fa56..0000000000000000000000000000000000000000
--- a/openssl/crypto/asn1/bio_asn1.c
+++ /dev/null
@@ -1,495 +0,0 @@
-/* bio_asn1.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project.
- */
-/* ====================================================================
- * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-
-/* Experimental ASN1 BIO. When written through the data is converted
- * to an ASN1 string type: default is OCTET STRING. Additional functions
- * can be provided to add prefix and suffix data.
- */
-
-#include <string.h>
-#include <openssl/bio.h>
-#include <openssl/asn1.h>
-
-/* Must be large enough for biggest tag+length */
-#define DEFAULT_ASN1_BUF_SIZE 20
-
-typedef enum 
-	{
-	ASN1_STATE_START,
-	ASN1_STATE_PRE_COPY,
-	ASN1_STATE_HEADER,
-	ASN1_STATE_HEADER_COPY,
-	ASN1_STATE_DATA_COPY,
-	ASN1_STATE_POST_COPY,
-	ASN1_STATE_DONE
-	} asn1_bio_state_t;
-
-typedef struct BIO_ASN1_EX_FUNCS_st
-	{
-	asn1_ps_func	*ex_func;
-	asn1_ps_func	*ex_free_func;
-	} BIO_ASN1_EX_FUNCS;
-
-typedef struct BIO_ASN1_BUF_CTX_t
-	{
-	/* Internal state */
-	asn1_bio_state_t state;
-	/* Internal buffer */
-	unsigned char *buf;
-	/* Size of buffer */
-	int bufsize;
-	/* Current position in buffer */
-	int bufpos;
-	/* Current buffer length */
-	int buflen;
-	/* Amount of data to copy */
-	int copylen;
-	/* Class and tag to use */
-	int asn1_class, asn1_tag;
-	asn1_ps_func *prefix, *prefix_free, *suffix, *suffix_free;
-	/* Extra buffer for prefix and suffix data */
-	unsigned char *ex_buf;
-	int ex_len;
-	int ex_pos;
-	void *ex_arg;
-	} BIO_ASN1_BUF_CTX;
-
-
-static int asn1_bio_write(BIO *h, const char *buf,int num);
-static int asn1_bio_read(BIO *h, char *buf, int size);
-static int asn1_bio_puts(BIO *h, const char *str);
-static int asn1_bio_gets(BIO *h, char *str, int size);
-static long asn1_bio_ctrl(BIO *h, int cmd, long arg1, void *arg2);
-static int asn1_bio_new(BIO *h);
-static int asn1_bio_free(BIO *data);
-static long asn1_bio_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp);
-
-static int asn1_bio_init(BIO_ASN1_BUF_CTX *ctx, int size);
-static int asn1_bio_flush_ex(BIO *b, BIO_ASN1_BUF_CTX *ctx,
-				asn1_ps_func *cleanup, asn1_bio_state_t next);
-static int asn1_bio_setup_ex(BIO *b, BIO_ASN1_BUF_CTX *ctx,
-				asn1_ps_func *setup, 
-				asn1_bio_state_t ex_state,
-				asn1_bio_state_t other_state);
-
-static BIO_METHOD methods_asn1=
-	{
-	BIO_TYPE_ASN1,
-	"asn1",
-	asn1_bio_write,
-	asn1_bio_read,
-	asn1_bio_puts,
-	asn1_bio_gets,
-	asn1_bio_ctrl,
-	asn1_bio_new,
-	asn1_bio_free,
-	asn1_bio_callback_ctrl,
-	};
-
-BIO_METHOD *BIO_f_asn1(void)
-	{
-	return(&methods_asn1);
-	}
-
-
-static int asn1_bio_new(BIO *b)
-	{
-	BIO_ASN1_BUF_CTX *ctx;
-	ctx = OPENSSL_malloc(sizeof(BIO_ASN1_BUF_CTX));
-	if (!ctx)
-		return 0;
-	if (!asn1_bio_init(ctx, DEFAULT_ASN1_BUF_SIZE))
-		return 0;
-	b->init = 1;
-	b->ptr = (char *)ctx;
-	b->flags = 0;
-	return 1;
-	}
-
-static int asn1_bio_init(BIO_ASN1_BUF_CTX *ctx, int size)
-	{
-	ctx->buf = OPENSSL_malloc(size);
-	if (!ctx->buf)
-		return 0;
-	ctx->bufsize = size;
-	ctx->bufpos = 0;
-	ctx->buflen = 0;
-	ctx->copylen = 0;
-	ctx->asn1_class = V_ASN1_UNIVERSAL;
-	ctx->asn1_tag = V_ASN1_OCTET_STRING;
-	ctx->ex_buf = 0;
-	ctx->ex_pos = 0;
-	ctx->ex_len = 0;
-	ctx->state = ASN1_STATE_START;
-	return 1;
-	}
-
-static int asn1_bio_free(BIO *b)
-	{
-	BIO_ASN1_BUF_CTX *ctx;
-	ctx = (BIO_ASN1_BUF_CTX *) b->ptr;
-	if (ctx == NULL)
-		return 0;
-	if (ctx->buf)
-		OPENSSL_free(ctx->buf);
-	OPENSSL_free(ctx);
-	b->init = 0;
-	b->ptr = NULL;
-	b->flags = 0;
-	return 1;
-	}
-
-static int asn1_bio_write(BIO *b, const char *in , int inl)
-	{
-	BIO_ASN1_BUF_CTX *ctx;
-	int wrmax, wrlen, ret;
-	unsigned char *p;
-	if (!in || (inl < 0) || (b->next_bio == NULL))
-		return 0;
-	ctx = (BIO_ASN1_BUF_CTX *) b->ptr;
-	if (ctx == NULL)
-		return 0;
-
-	wrlen = 0;
-	ret = -1;
-
-	for(;;)
-		{
-		switch (ctx->state)
-			{
-
-			/* Setup prefix data, call it */
-			case ASN1_STATE_START:
-			if (!asn1_bio_setup_ex(b, ctx, ctx->prefix,
-				ASN1_STATE_PRE_COPY, ASN1_STATE_HEADER))
-				return 0;
-			break;
-
-			/* Copy any pre data first */
-			case ASN1_STATE_PRE_COPY:
-
-			ret = asn1_bio_flush_ex(b, ctx, ctx->prefix_free,
-							ASN1_STATE_HEADER);
-
-			if (ret <= 0)
-				goto done;
-
-			break;
-
-			case ASN1_STATE_HEADER:
-			ctx->buflen =
-				ASN1_object_size(0, inl, ctx->asn1_tag) - inl;
-			OPENSSL_assert(ctx->buflen <= ctx->bufsize);
-			p = ctx->buf;
-			ASN1_put_object(&p, 0, inl,
-					ctx->asn1_tag, ctx->asn1_class);
-			ctx->copylen = inl;
-			ctx->state = ASN1_STATE_HEADER_COPY;
-
-			break;
-
-			case ASN1_STATE_HEADER_COPY:	
-			ret = BIO_write(b->next_bio,
-					ctx->buf + ctx->bufpos, ctx->buflen);
-			if (ret <= 0)
-				goto done;
-
-			ctx->buflen -= ret;
-			if (ctx->buflen)
-				ctx->bufpos += ret;
-			else
-				{
-				ctx->bufpos = 0;
-				ctx->state = ASN1_STATE_DATA_COPY;
-				}
-
-			break;
-
-			case ASN1_STATE_DATA_COPY:
-
-			if (inl > ctx->copylen)
-				wrmax = ctx->copylen;
-			else
-				wrmax = inl;
-			ret = BIO_write(b->next_bio, in, wrmax);
-			if (ret <= 0)
-				break;
-			wrlen += ret;
-			ctx->copylen -= ret;
-			in += ret;
-			inl -= ret;
-
-			if (ctx->copylen == 0)
-				ctx->state = ASN1_STATE_HEADER;
-
-			if (inl == 0)
-				goto done;
-
-			break;
-
-			default:
-			BIO_clear_retry_flags(b);
-			return 0;
-
-			}
-
-		}
-
-	done:
-	BIO_clear_retry_flags(b);
-	BIO_copy_next_retry(b);
-
-	return (wrlen > 0) ? wrlen : ret;
-
-	}
-
-static int asn1_bio_flush_ex(BIO *b, BIO_ASN1_BUF_CTX *ctx,
-				asn1_ps_func *cleanup, asn1_bio_state_t next)
-	{
-	int ret;
-	if (ctx->ex_len <= 0)
-		return 1;
-	for(;;)
-		{
-		ret = BIO_write(b->next_bio, ctx->ex_buf + ctx->ex_pos,
-								ctx->ex_len);
-		if (ret <= 0)
-			break;
-		ctx->ex_len -= ret;
-		if (ctx->ex_len > 0)
-			ctx->ex_pos += ret;
-		else
-			{
-			if(cleanup)
-				cleanup(b, &ctx->ex_buf, &ctx->ex_len,
-								&ctx->ex_arg);
-			ctx->state = next;
-			ctx->ex_pos = 0;
-			break;
-			}
-		}
-	return ret;
-	}
-
-static int asn1_bio_setup_ex(BIO *b, BIO_ASN1_BUF_CTX *ctx,
-				asn1_ps_func *setup, 
-				asn1_bio_state_t ex_state,
-				asn1_bio_state_t other_state)
-	{
-	if (setup && !setup(b, &ctx->ex_buf, &ctx->ex_len, &ctx->ex_arg))
-		{
-		BIO_clear_retry_flags(b);
-		return 0;
-		}
-	if (ctx->ex_len > 0)
-		ctx->state = ex_state;
-	else
-		ctx->state = other_state;
-	return 1;
-	}
-
-static int asn1_bio_read(BIO *b, char *in , int inl)
-	{
-	if (!b->next_bio)
-		return 0;
-	return BIO_read(b->next_bio, in , inl);
-	}
-
-static int asn1_bio_puts(BIO *b, const char *str)
-	{
-	return asn1_bio_write(b, str, strlen(str));
-	}
-
-static int asn1_bio_gets(BIO *b, char *str, int size)
-	{
-	if (!b->next_bio)
-		return 0;
-	return BIO_gets(b->next_bio, str , size);
-	}
-
-static long asn1_bio_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
-	{
-	if (b->next_bio == NULL) return(0);
-	return BIO_callback_ctrl(b->next_bio,cmd,fp);
-	}
-
-static long asn1_bio_ctrl(BIO *b, int cmd, long arg1, void *arg2)
-	{
-	BIO_ASN1_BUF_CTX *ctx;
-	BIO_ASN1_EX_FUNCS *ex_func;
-	long ret = 1;
-	ctx = (BIO_ASN1_BUF_CTX *) b->ptr;
-	if (ctx == NULL)
-		return 0;
-	switch(cmd)
-		{
-
-		case BIO_C_SET_PREFIX:
-		ex_func = arg2;
-		ctx->prefix  = ex_func->ex_func;
-		ctx->prefix_free  = ex_func->ex_free_func;
-		break;
-
-		case BIO_C_GET_PREFIX:
-		ex_func = arg2;
-		ex_func->ex_func = ctx->prefix;
-		ex_func->ex_free_func = ctx->prefix_free;
-		break;
-
-		case BIO_C_SET_SUFFIX:
-		ex_func = arg2;
-		ctx->suffix  = ex_func->ex_func;
-		ctx->suffix_free  = ex_func->ex_free_func;
-		break;
-
-		case BIO_C_GET_SUFFIX:
-		ex_func = arg2;
-		ex_func->ex_func = ctx->suffix;
-		ex_func->ex_free_func = ctx->suffix_free;
-		break;
-
-		case BIO_C_SET_EX_ARG:
-		ctx->ex_arg = arg2;
-		break;
-
-		case BIO_C_GET_EX_ARG:
-		*(void **)arg2 = ctx->ex_arg;
-		break;
-
-		case BIO_CTRL_FLUSH:
-		if (!b->next_bio)
-			return 0;
-
-		/* Call post function if possible */
-		if (ctx->state == ASN1_STATE_HEADER)
-			{
-			if (!asn1_bio_setup_ex(b, ctx, ctx->suffix,
-				ASN1_STATE_POST_COPY, ASN1_STATE_DONE))
-				return 0;
-			}
-
-		if (ctx->state == ASN1_STATE_POST_COPY)
-			{
-			ret = asn1_bio_flush_ex(b, ctx, ctx->suffix_free,
-							ASN1_STATE_DONE);
-			if (ret <= 0)
-				return ret;
-			}
-
-		if (ctx->state == ASN1_STATE_DONE)
-			return BIO_ctrl(b->next_bio, cmd, arg1, arg2);
-		else
-			{
-			BIO_clear_retry_flags(b);
-			return 0;
-			}
-		break;
-
-
-		default:
-		if (!b->next_bio)
-			return 0;
-		return BIO_ctrl(b->next_bio, cmd, arg1, arg2);
-
-		}
-
-	return ret;
-	}
-
-static int asn1_bio_set_ex(BIO *b, int cmd,
-		asn1_ps_func *ex_func, asn1_ps_func *ex_free_func)
-	{
-	BIO_ASN1_EX_FUNCS extmp;
-	extmp.ex_func = ex_func;
-	extmp.ex_free_func = ex_free_func;
-	return BIO_ctrl(b, cmd, 0, &extmp);
-	}
-
-static int asn1_bio_get_ex(BIO *b, int cmd,
-		asn1_ps_func **ex_func, asn1_ps_func **ex_free_func)
-	{
-	BIO_ASN1_EX_FUNCS extmp;
-	int ret;
-	ret = BIO_ctrl(b, cmd, 0, &extmp);
-	if (ret > 0)
-		{
-		*ex_func = extmp.ex_func;
-		*ex_free_func = extmp.ex_free_func;
-		}
-	return ret;
-	}
-
-int BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix, asn1_ps_func *prefix_free)
-	{
-	return asn1_bio_set_ex(b, BIO_C_SET_PREFIX, prefix, prefix_free);
-	}
-
-int BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix, asn1_ps_func **pprefix_free)
-	{
-	return asn1_bio_get_ex(b, BIO_C_GET_PREFIX, pprefix, pprefix_free);
-	}
-
-int BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix, asn1_ps_func *suffix_free)
-	{
-	return asn1_bio_set_ex(b, BIO_C_SET_SUFFIX, suffix, suffix_free);
-	}
-
-int BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix, asn1_ps_func **psuffix_free)
-	{
-	return asn1_bio_get_ex(b, BIO_C_GET_SUFFIX, psuffix, psuffix_free);
-	}